Mack · United States · Crit
Mack LR6, Leu +1 more: Engine and engine cooling — engine
Affects Mack LR6, Leu, Mru · 2011–2016 — about 2K vehicles.
The hazard
If engine oil comes into contact with a hot surface, there could be an increased risk of a fire.
What to do
Cummins will notify owners on behalf of Mack, and Cummins service centers will administer the repairs which include securing the ends of the 90-degree elbow and reprogramming the electronic control module (ECM) with software that can adjust the engine output under misfire conditions to limit crankcase pressures. These repairs will be performed free of charge. The recall began on June 12, 2015. Owners may contact Mack customer service at 1-800-528-6586 or Cummins Inc. at 1-800-343-7357. Mack's number for this recall is SC0391.
Critical — crash/injury risk now
High — injury risk; see remedy
Moderate — fix at next service
Low — minor / informational